Course materials (extra copies are placed
outside CoC 360)
Pentium III
Die Map
z EBL/BBL – External/Backside Bus logic
z MOB - Memory Order Buffer
z Packed FPU - Floating Point
Unit for SSE
z IEU - Integer Execution Unit
z FAU - Floating Point
Arithmetic Unit
z MIU - Memory Interface Unit
z DCU - Data Cache Unit (L1)
z PMH - Page Miss Handler
z DTLB - Data TLB
z BAC - Branch Address Calculator
z RAT - Register Alias Table
z SIMD - Packed Floating Point
unit
z RS - Reservation Station
z BTB - Branch Target Buffer
z TAP – Test Access Port
z IFU - Instruction Fetch Unit
and L1 I-Cache
z ID - Instruction Decode
z ROB - Reorder Buffer
z MS - Micro-instruction Sequencer